Z-критерий

Calculates the z-Test of two data samples.

Доступ к этой команде

Choose Data - Statistics - Z-test


note

For more information on Z-tests, refer to the corresponding Wikipedia article.


Данные

Variable 1 range: The reference of the range of the first data series to analyze.

Variable 2 range: The reference of the range of the second data series to analyze.

Results to: The reference of the top left cell of the range where the test will be displayed.

Grouped By

Select whether the input data has columns or rows layout.

Пример

The following table has two data sets.

A

B

1

28

19

2

26

13

3

31

12

4

23

5

5

20

34

6

27

31

7

28

31

8

14

12

9

4

24

10

0

23

11

2

19

12

8

10

13

9

33


Results for z-Test:

The following table shows the z-Test for the data series above:

z-критерий

Альфа

0.05

Гипотетическая разность средних

0

Variable 1

Variable 2

Известная дисперсия

0

0

Среднее

16.9230769231

20.4615384615

Наблюдения

13

13

Наблюдаемая разность средних

-3.5384615385

z

#ДЕЛ/0!

P (Z<=z) one-tail

#ДЕЛ/0!

z Critical one-tail

1.644853627

P (Z<=z) two-tail

#ДЕЛ/0!

z Critical two-tail

1.9599639845


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